docs: def check_mailfy(self, query, kwargs={}):
          """
          Verifying a mailfy query in this platform.
  
          This might be redefined in any class inheriting from Platform. The only
          condition is that any of this should return a dictionary as defined.
  
          Args:
          -----
              query: The element to be searched.
              kwargs: Dictionary with extra parameters. Just in case.
  
          Return:
          -------
              Returns the collected data if exists or None if not.
          """
          import requests
  
          s = requests.Session()
  
          # Getting the first response to grab the csrf_token
          r1 = s.get('https://www.infojobs.net')
  
          # Launching the query to Instagram
          r2 = s.post(
              'https://www.infojobs.net/candidate/profile/check-email-registered.xhtml',
              data={"email": query},
          )
  
          if '{"email_is_secure":true,"email":true}' in r2.text:
              return r2.text
          return None